The new entries added to it are the Zvyozdochka shipbuilding yard in the Arkhangelsk region and the Sovrakht-Sovmortrans logistics group.

The sanctions also target the Zaliv shipyard in the Crimean port city of Kerch and the STM-Krym logistics company.

The DoT said the epxansion of the sanctions list targeting several dozen individuals and legal entities had been enacted in the wake of the conflict in Ukraine.

The sectoral sanctions encompass now a whole range group companies of the Russian natural gas manufacturer Gazprom.

Construction of bridge btw Crimea, mainland Russia

According to the Crimea Bridge information center, the new U.S. sanctions targeting the Russian company SGM-Most, the general contractor in the construction of the Kerch Bridge project will not affect the pace of construction works in any way.

"The sanctions will have no impact the construction of the bridge," said the statement the center issued in response to a question from TASS.

"The constructor has all the necessary resources for a timely completion of the project," it said.